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biolith

noun
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bi·​o·​lith | \ ˈbīōˌlith \
variants: or less commonly biolite \ -​ˌlīt \
plural -s

Definition of biolith

: a rock of organic origin : a rock produced directly by the activities of organisms

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History and Etymology for biolith

International Scientific Vocabulary bi- entry 2 + -lith or -lite; originally formed as German biolith

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“Biolith.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/biolith. Accessed 18 January 2020.

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